CN116609543A - Novel electromagnetic induction type angular velocity sensor - Google Patents
Novel electromagnetic induction type angular velocity sensor Download PDFInfo
- Publication number
- CN116609543A CN116609543A CN202310464248.2A CN202310464248A CN116609543A CN 116609543 A CN116609543 A CN 116609543A CN 202310464248 A CN202310464248 A CN 202310464248A CN 116609543 A CN116609543 A CN 116609543A
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- angular velocity
- electromagnetic induction
- induction type
- rotor
- cover plate
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 52
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/46—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage
- G01P3/465—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage by using dynamo-electro tachometers or electric generator
Abstract
The application discloses a novel electromagnetic induction type angular velocity sensor in the technical field of sensors, which comprises a shell, wherein a cover plate is detachably connected to one side of the shell, a rotating shaft is arranged at one end of the cover plate far away from the shell, an inner cavity is formed in the shell in a penetrating way, one end of the inner cavity, which is close to the cover plate, is formed in a penetrating way, a stator with multiple groups of windings is uniformly fixed on the inner wall of the inner cavity, and the multiple groups of windings are symmetrically arranged. The beneficial effects of the application are as follows: the application adopts Faraday magnetic induction principle, namely the principle that a winding conductor cuts magnetic force lines to generate induced voltage, and detects the real-time angular velocity of the rotation of a rotating object by detecting the real-time induced voltage effective value, thereby having the advantages of high real-time performance, high linearity, simple installation and debugging and the like; the rotating shaft is connected through the connecting flange, so that the instant angular speeds of different rotating devices are conveniently detected, the accuracy and the speed of instant angular speed detection are improved, and the detection performance index of the instant angular speed of industrial equipment or other components to be detected is further improved.
Description
Technical Field
The application relates to the technical field of sensors, in particular to a novel electromagnetic induction type angular velocity sensor.
Background
With the deep development of industrial automation and artificial intelligence, the demands for various sensors, including rotation speed sensors, are more urgent; although various angular velocity sensors exist, there is no angular velocity sensor capable of reflecting the instantaneous rotational speed in real time, which tends to result in low automation control accuracy, poor instantaneity and poor synchronization. The application provides an electromagnetic induction type angular velocity sensor capable of detecting an instant angular velocity.
The current rotation speed sensor can convert the rotation speed of a rotating object into an electric quantity output sensor, belongs to an indirect measuring device, adopts mechanical, electric, magnetic, optical and hybrid principles, and is divided into two types according to different signal forms.
In the prior art, most angular velocity sensors cannot detect the instantaneous angular velocity, so that the instantaneous angular velocity of industrial equipment or a component to be detected cannot be detected, and the measuring precision and the speed of the instantaneous angular velocity of the industrial equipment or the component to be detected are reduced.
Disclosure of Invention
The application aims to provide a novel electromagnetic induction type angular velocity sensor, which adopts the Faraday magnetic induction principle, namely the principle that conductors cut magnetic lines of force to generate induced voltage, detects the real-time angular velocity of the rotation of a rotating object by detecting the effective value of the induced real-time voltage, has the advantages of high real-time performance, high linearity, simplicity and convenience in installation and debugging and the like, so as to solve the problems of the prior art, and most of the angular velocity sensors cannot detect the instant angular velocity, thereby causing the instant angular velocity of industrial equipment or a component to be detected to be accurately detected, and reducing the instant angular velocity detection precision of the industrial equipment or the component to be detected.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a novel electromagnetic induction type angular velocity sensor, includes the shell, one side of shell can be dismantled and is connected with the apron, the one end that the shell was kept away from to the apron is provided with the pivot, the inside of shell runs through and has seted up the inner chamber, the one end that the inner chamber is close to the apron is the running through and sets up, the inner wall of inner chamber evenly is fixed with the stator of multiunit winding, the multiunit winding of stator is the symmetry setting, the one end at stator multiunit winding orientation center is connected with a set of brush of dismantling, the inner chamber is located stator geometric center' S position and is provided with rotor subassembly, rotor subassembly includes a rotor support, the outer wall of rotor support is inlayed and is had the permanent magnet that magnetizes, and its magnetic pole N extremely and S extremely evenly distributed in turn.
As a further scheme of the application: one end of the rotating shaft, which is close to the cover plate, is connected with the cover plate in a rotating and penetrating way through a bearing, and one end of the rotating shaft, which penetrates through the cover plate, is connected with the rotor bracket in a detachable way through a flange.
As still further aspects of the application: one side of the rotor assembly, which is far away from the cover plate, is detachably connected with a bearing seat, and one end of the bearing seat, which is far away from the rotor assembly, is detachably connected with the inner wall of the inner cavity through a flange.
As still further aspects of the application: the top of the shell is fixed with a signal box, and the output ends of the multiple groups of winding stators are electrically connected with the input ends of the signal box through electric brushes.
As still further aspects of the application: the outer wall of one side of the shell far away from the cover plate is fixed with a fixed flange.
As still further aspects of the application: the inner cavity is close to one side of the cover plate and is provided with a connecting platform, the depth of the connecting platform is matched with the thickness of the cover plate, the cover plate is detachably connected with the connecting platform through bolts, and the outer diameter of the cover plate is matched with the inner diameter of the connecting platform.
As still further aspects of the application: the outer wall of one side of the rotating shaft far away from the cover plate is fixedly provided with a connecting flange.
A novel electromagnetic induction type angular velocity detection method comprises the following steps:
s100, checking the state of equipment and connecting the equipment;
s200: when the detecting piece rotates, the rotor of the angular velocity sensor is driven to synchronously rotate through the rotating shaft;
s300: when the rotor rotates, magnetic force lines of the stator are cut, and voltage signals are generated through magnetism;
s400: detecting the voltage generated by the angular velocity sensor, and detecting the instant angular velocity of the detected object;
in the step S100, it is required to determine whether the components of the angular velocity sensor work normally, and detect circuit connection nodes of the input end and the output end at the same time, in the step S200, when the rotor rotates, the rotor is commutated through an internal brush, and the faraday electromagnetic induction principle, that is, the principle that the conductor cuts magnetic lines of force to generate induced voltage is adopted, and the real-time angular velocity of the rotation of the rotating object is detected by detecting the effective value of the induced real-time voltage.
Compared with the prior art, the application has the beneficial effects that:
1. the application adopts Faraday electromagnetic induction principle, namely the principle that a conductor cuts magnetic force lines to generate induced voltage, and detects the real-time angular velocity of the rotation of a rotating object by detecting the effective value of the induced voltage in real time, thereby having the advantages of high instantaneity, high linearity, simple installation and debugging and the like.
2. According to the application, the rotating shafts are connected through the connecting flange, so that the instant angular speeds of different rotating devices can be conveniently detected, the accuracy and the speed of instant angular speed detection are improved, and the instant angular speed detection accuracy and the speed index of industrial equipment or other components to be detected are further improved.
3. The electromagnetic induction type angular velocity sensor is connected with the rotating shaft through the connecting flange, so that the instant angular velocity of different rotating devices can be conveniently detected, the accuracy and the speed of instant angular velocity detection are improved, and further, the performance index of instant angular velocity detection of industrial equipment or other components to be detected is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present application;
FIG. 2 is a schematic view of the cover plate of the present application;
FIG. 3 is a schematic diagram of an exploded construction of the present application;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present application;
FIG. 5 is an enlarged schematic view of the rotor assembly of the present application;
FIG. 6 is a schematic diagram of a measurement method according to the present application;
FIG. 7 is a schematic diagram of the connection principle of the present application for angular velocity testing of a device;
fig. 8 is a schematic diagram of the magnetic pole distribution of the present application.
In the figure: 1. a housing; 101. a fixed flange; 102. a signal box; 110. a cover plate; 111. a rotating shaft; 112. a connecting flange; 120. an inner cavity; 121. a stator; 122. a connecting platform; 123. a bearing seat; 124. a detachable brush; 130. a rotor assembly; 131. a rotor bracket; 132. a rotor.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The pulse electromagnetic induction type speed sensor is characterized by that it uses magnetic resistor as sensing element, and adopts magnetic resistor as detection element, and uses signal processing circuit to reduce noise so as to improve its function. The principle is that when the measured body has raised (or depressed) magnetic or magnetic conducting material and rotates with the measured body, the sensor outputs pulse signal related to rotation frequency to measure speed or displacement. After the linear velocity (V) is measured, the angular velocity ω=v/r can be calculated. The linear velocity is an average velocity, and the calculated angular velocity is also an average angular velocity.
The grating type angular velocity sensor, that is, a rotary encoder, has a grating mounted on a shaft inside, and cuts the grating by rotation of the shaft, for example, if the grating is a 360-pulse product, 361 pulses are output per turn, one pulse represents 1 °, and the absolute value type rotary encoder outputs a signal with a fixed corresponding angle. The angular velocity obtained is also the average angular velocity.
The hall-type angle sensor mainly detects an angle change by a magnetic field, and is also essentially an average angular velocity.
The application adopts Faraday magnetic induction principle, namely the principle that a conductor cuts magnetic force lines to generate induced voltage, detects the effective value of the induced voltage in real time through detection induction to detect the real-time angular velocity of the rotation of a rotating object, and has the advantages of high real-time performance, high linearity, simple installation and debugging and the like.
In the first embodiment, the brush electromagnetic induction type angular velocity sensor has one or more pairs of main magnetic poles fixed on the stator 121, and the N pole and S pole of the main magnetic pole are alternately and uniformly distributed. One or more groups of armatures and one group of commutators are arranged on the rotor 132, the rotor 132 is fixed on the rotor 132 shaft of the electromagnetic induction type angular velocity sensor, the driving source (motor) power shaft monitoring end of the driving source (motor) rotates to drive the rotor 132 shaft of the electromagnetic induction type angular velocity sensor to synchronously rotate, the rotor 132 shaft of the electromagnetic induction type angular velocity sensor drives the armatures and the commutators of the electromagnetic induction type angular velocity sensor to rotate, the armatures of the electromagnetic induction type angular velocity sensor actively cut magnetic force lines generated by fixed main magnetic poles arranged on the stator 121 of the electromagnetic induction type angular velocity sensor, and the armatures of the electromagnetic induction type angular velocity sensor generate induced electromotive force (voltage) to be output through brushes. The effective value of the induced electromotive force (voltage) of the electromagnetic induction type angular velocity sensor is proportional to the rotational angular velocity of the driving source (motor) power shaft output end and the driving source (motor) power shaft monitoring end of the driving source (motor) of the electromagnetic induction type angular velocity sensor, and the effective instant value of the induced electromotive force (voltage) of the electromagnetic induction type angular velocity sensor is proportional to the instant angular velocity of the driving source (motor) power shaft output end and the driving source (motor) power shaft monitoring end of the driving source (motor) of the electromagnetic induction type angular velocity sensor, and the positive transmission output voltage is opposite to the reverse transmission output voltage polarity. The signal noise can be filtered by the filter circuit.
In the second embodiment, the brushless electromagnetic induction type angular velocity sensor is composed of a housing of the electromagnetic induction type angular velocity sensor, a rotor shaft 131 of the electromagnetic induction type angular velocity sensor, a rotor 132 embedded with magnetized permanent magnets, and a stator 121.
One or more groups of armature windings are embedded on a stator 121 of the electromagnetic induction type angular velocity sensor, are connected into a three-phase star connection method and are symmetrically distributed, and are embedded on a shell of the electromagnetic induction type angular velocity sensor in the same winding wiring method and distribution method as those of a three-phase permanent magnet generator; the rotor 132 of the electromagnetic induction type angular velocity sensor is embedded with permanent magnets with N, S poles alternately magnetized, and the rotor 132 of the electromagnetic induction type angular velocity sensor is fixed on the shaft of the rotor 132 of the angular velocity sensor.
The driving source (motor) power shaft monitoring end of the driving source (motor) rotates to drive the electromagnetic induction type angular velocity sensor rotor 132 shaft of the electromagnetic induction type angular velocity sensor to rotate, the permanent magnets on the electromagnetic induction type angular velocity sensor rotor 132 shaft rotate together to generate a rotating magnetic field and magnetic force lines, the stator armature of the electromagnetic induction type angular velocity sensor is actively cut, and the stator 121 of the electromagnetic induction type angular velocity sensor generates induced electromotive force (voltage) and directly outputs the electromotive force. The effective value of the induced electromotive force (voltage) of the electromagnetic induction type angular velocity sensor is proportional to the instantaneous angular velocity of the driving source (motor) power shaft output end and the driving source (motor) power shaft monitoring end of the driving source (motor) of the electromagnetic induction type angular velocity sensor, and the effective value of the instantaneous electromotive force (voltage) is proportional to the instantaneous angular velocity of the driving source (motor) power shaft output end and the driving source (motor) power shaft monitoring end of the driving source (motor) of the electromagnetic induction type angular velocity sensor. In order to detect the steering of the driving source (motor) power shaft output end and the driving source (motor) power shaft monitoring end of the driving source (motor) of the electromagnetic induction type angular velocity sensor, the steering is determined by a phase of an electromotive force (voltage) induced by the electromagnetic induction type angular velocity sensor at the angular velocity sensor or by an internal steering sensor.
Referring to fig. 1 to 5, in an embodiment of the present application, a novel electromagnetic induction type angular velocity sensor includes a housing 1, a cover plate 110 is detachably connected to one side of the housing 1, a rotating shaft 111 is disposed at one end of the cover plate 110 away from the housing 1, an inner cavity 120 is provided in the housing 1 in a penetrating manner, one end of the inner cavity 120 near the cover plate 110 is provided in a penetrating manner, a plurality of groups of windings of a stator 121 are uniformly fixed on an inner wall of the inner cavity 120, a plurality of groups of windings of the stator 121 are symmetrically disposed, one end of the stator 121 facing the center is detachably connected with a plurality of groups of detachable brushes 124, a rotor assembly 130 is disposed at a position of the inner cavity 120 located at the geometric center of the stator 121, the rotor assembly 130 includes a rotor bracket 131, a rotor 132 is disposed on an inner wall of the rotor bracket 131, a magnetized permanent magnet is embedded in an inner wall of the rotor bracket, one end of the rotating shaft 111 near the cover plate 110 is in a penetrating manner through rotation of the cover plate 110 through a bearing, and one end of the rotating shaft 111 penetrating the cover plate 110 is uniformly distributed with N poles and S poles alternately through flanges.
The detachable connection of the rotor bracket 131.
The side of the rotor assembly 130 away from the cover plate 110 is detachably connected with a bearing block 123, and one end of the bearing block 123 away from the rotor assembly 130 is detachably connected with the inner wall of the inner cavity 120 through a flange.
A signal box 102 is fixed on the top of the housing 1, and winding output ends of the stator 121 are electrically connected with input ends of the signal box 102 through brushes.
The outer wall of the housing 1 on the side remote from the cover plate 110 is fixed with a fixing flange 101.
The inner cavity 120 is provided with a connecting platform 122 on one side close to the cover plate 110, the depth of the connecting platform 122 is matched with the thickness of the cover plate 110, the cover plate 110 is detachably connected with the connecting platform 122 through bolts, and the outer diameter size of the cover plate 110 is matched with the inner diameter size of the connecting platform 122.
A connecting flange 112 is fixed on the outer wall of the side of the rotating shaft 111 away from the cover plate 110.
A novel magnetic induction type angular velocity detection method is characterized in that: the method comprises the following steps:
s100, checking the state of equipment and connecting the equipment;
s200: when the detecting piece rotates, the rotor of the angular velocity sensor is driven to synchronously rotate through the rotating shaft;
s300: when the rotor rotates, magnetic force lines of the stator are cut, and voltage signals are generated through magnetism;
s400: detecting the voltage generated by the angular velocity sensor, and detecting the instant angular velocity of the detected object;
in the step S100, it is required to determine whether the components of the angular velocity sensor work normally, and detect circuit connection nodes of the input end and the output end at the same time, in the step S200, when the rotor rotates, the rotor is commutated through an internal brush, and the faraday electromagnetic induction principle, that is, the principle that the conductor cuts magnetic lines of force to generate induced voltage is adopted, and the real-time angular velocity of the rotation of the rotating object is detected by detecting the effective value of the induced real-time voltage.
Referring to fig. 7, in this embodiment, when the instant angular velocity of the device is required to be measured, the device is only required to be connected with the apparatus as shown in fig. 7, and when the device starts to rotate, the rotating shaft 111 of the apparatus is driven to rotate, so that voltage is generated through electromagnetic induction of the internal winding and is transmitted outwards, and the instant angular velocity is monitored.
In the present embodiment, the structures and the working principles of the stator 121, the rotor assembly 130 and the detachable brush 124 are well known to those skilled in the art, and will not be described herein.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (8)
1. A novel magnetic induction type angular velocity detection method is characterized in that: the method comprises the following steps:
s100, checking the state of equipment and connecting the equipment;
s200: when the detecting piece rotates, the rotor of the angular velocity sensor is driven to synchronously rotate through the rotating shaft;
s300: when the rotor rotates, magnetic force lines of the stator are cut, and voltage signals are generated through magnetism;
s400: detecting a voltage signal generated by an angular velocity sensor, and detecting the instant angular velocity of the detected object;
in the step S100, it is required to determine whether the components of the angular velocity sensor work normally, and detect circuit connection nodes of the input end and the output end at the same time, in the step S200, when the rotor rotates, the rotor is commutated through an internal brush, and the faraday electromagnetic induction principle, that is, the principle that the conductor cuts magnetic lines of force to generate induced voltage is adopted, and the real-time angular velocity of the rotation of the rotating object is detected by detecting the effective value of the induced real-time voltage.
2. Novel electromagnetic induction type angular velocity sensor, including shell (1), its characterized in that: one side of shell (1) can be dismantled and be connected with apron (110), the one end that shell (1) was kept away from to apron (110) is provided with pivot (111), inner chamber (120) have been seted up in the inside of shell (1) run through, inner chamber (120) are close to the one end of apron (110) and are run through and set up, the inner wall of inner chamber (120) evenly is fixed with stator (121) of multiunit winding, multiunit winding is the symmetry setting, stator (121) can be dismantled towards the one end at center and be connected with a set of brush (124), inner chamber (120) are located stator (121) geometric center' S position and are provided with rotor subassembly (130), rotor subassembly (130) include one rotor support (131), the N utmost point and the S utmost point of permanent magnet of rotor support (131) surface mosaic and magnetizing are distributed in turn.
3. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: one end of the rotating shaft (111) close to the cover plate (110) is rotatably and penetratingly connected with the cover plate (110) through a bearing, and one end of the rotating shaft (111) penetrating through the cover plate (110) is detachably connected with the rotor bracket (131) through a flange.
4. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: one side of the rotor assembly (130) far away from the cover plate (110) is detachably connected with a bearing seat (123), and one end of the bearing seat (123) far away from the rotor assembly (130) is detachably connected with the inner wall of the inner cavity (120) through a flange.
5. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: the top of the shell (1) is fixedly provided with a signal box (102), and the output ends of the winding stators (121) are electrically connected with the input end of the signal box (102) through electric brushes.
6. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: the outer wall of one side of the shell (1) far away from the cover plate (110) is fixedly provided with a fixing flange (101).
7. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: the utility model discloses a cover plate structure, including inner chamber (120), connecting platform (122) have been seted up to one side that inner chamber (120) is close to apron (110), the depth of seting up of connecting platform (122) and the thickness assorted of apron (110), apron (110) are connected with connecting platform (122) can be dismantled through the bolt, the external diameter size of apron (110) and the internal diameter size assorted of connecting platform (122).
8. A novel electromagnetic induction type sensor of angular velocity according to claim 2, characterized in that: the outer wall of one side of the rotating shaft (111) far away from the cover plate (110) is fixedly provided with a connecting flange (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310464248.2A CN116609543A (en) | 2023-04-26 | 2023-04-26 | Novel electromagnetic induction type angular velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310464248.2A CN116609543A (en) | 2023-04-26 | 2023-04-26 | Novel electromagnetic induction type angular velocity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116609543A true CN116609543A (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310464248.2A Pending CN116609543A (en) | 2023-04-26 | 2023-04-26 | Novel electromagnetic induction type angular velocity sensor |
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| Country | Link |
|---|---|
| CN (1) | CN116609543A (en) |
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2023
- 2023-04-26 CN CN202310464248.2A patent/CN116609543A/en active Pending
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